/Engine/Source/Runtime/NullDrv/Public/NullRHI.h
FlushType: Wait RHI Thread.
virtual FVertexShaderRHIRef RHICreateVertexShader ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const uint8 > Code, const [FSHAHash](API\Runtime\Core\Misc\FSHAHash) & Hash )